Patents Assigned to Kalwall Corp.
  • Method of joining curvilinear structual insulating panels and the like and improved joined panel structure
    Patent number: 4642949
    Abstract: A method of cutting curvilinear panels with ellipsoidal cuts and joining the abutted edges of the same with a slight gap therebetween by batten-like surfaces overlapping the edges on both the outer and inner cover sheets of the panel and sealing the gap therebetween--the batten-like surfaces being preferably bonded layers, and the method being adapted to accomodate complicated joining seams, bends and curves.
    Type: Grant
    Filed: March 27, 1986
    Date of Patent: February 17, 1987
    Assignee: Kalwall Corp.
    Inventor: Thomas P. Hopper